@misc{indiciae9c224666c93c,
  title = {Leukaemia and immunodeficiency.},
  author = {J E Parker and R A Rockerbie},
  year = {1973},
  doi = {10.1016/s0140-6736(73)91646-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4121561/},
  note = {Source identifier: 4121561}
}